<template>
    <!-- 弹框 -->
    <el-dialog :visible="dialogVisible" 
    width="680px" :title="title"
    :close-on-click-modal="false" 
    @close="closeDialog"
    >
      <!-- 表单接口 -->
      <div class="form-container">
        <el-form ref="addForm" :model="addForm" :rules="addFormRules" label-position="top">
          <el-form-item label="计费规则编号" prop="ruleNumber">
            <el-input v-model="addForm.ruleNumber" />
          </el-form-item>
          <el-form-item label="计费规则名称" prop="ruleName">
            <el-input v-model="addForm.ruleName" />
          </el-form-item>
          <el-form-item label="计费方式" prop="chargeType">
            <el-radio-group v-model="addForm.chargeType" size="small">
              <el-radio label="duration" border>时长收费</el-radio>
              <el-radio label="turn" border>按次收费</el-radio>
              <el-radio label="partition" border>分段收费</el-radio>
            </el-radio-group>
          </el-form-item>
          <div class="flex-container" style="display:flex;justify-content:space-between">
            <el-form-item label="免费时长">
              <el-input v-model="addForm.freeDuration" />
            </el-form-item>
            <el-form-item label="收费上限">
              <el-input v-model="addForm.chargeCeiling" />
            </el-form-item>
          </div>
        <!-- el-form-item 可以继续嵌套el-form-item -->
        <el-form-item label="计费规则" required>
        <!-- 按时长收费区域 -->
        <div class="duration" style="display:flex" v-if="addForm.chargeType == 'duration'">
          每 
          <el-form-item prop="durationTime">
            <el-input v-model="addForm.durationTime" class="input-box" />
          </el-form-item>
          小时
          <el-form-item prop="durationPrice">
            <el-input v-model="addForm.durationPrice" class="input-box" />
          </el-form-item>
          元
        </div>
        <!-- 按次收费区域 -->
        <div class="turn" style="display:flex" v-if="addForm.chargeType == 'turn'">
          每次
          <el-form-item prop="turnPrice">
            <el-input v-model="addForm.turnPrice" class="input-box" style="width:150px" />
          </el-form-item>
          元
        </div>
        <!-- 按分段收费区域 -->
        <div class="partition" v-if="addForm.chargeType == 'partition'">
          <div class="item" style="display:flex">
            <el-form-item prop="partitionFrameTime">
              <el-input v-model="addForm.partitionFrameTime" class="input-box" style="width:100px" />
            </el-form-item>
            小时内,每小时收费
            <el-form-item prop="partitionFramePrice">
              <el-input v-model="addForm.partitionFramePrice" class="input-box" style="width:100px" />
            </el-form-item>
            元
          </div>
          <div class="item" style="display:flex;margin:30px auto 0">
            每增加
            <el-form-item prop="partitionIncreaseTime">
              <el-input v-model="addForm.partitionIncreaseTime" class="input-box" style="width:120px;" />
            </el-form-item>
            小时,增加
            <el-form-item prop="partitionIncreasePrice">
              <el-input v-model="addForm.partitionIncreasePrice" class="input-box" style="width:120px;" />
            </el-form-item>
            元
          </div>
        </div>
      </el-form-item>
      </el-form>
    </div>
    <template #footer>
      <el-button size="mini" @click="closeDialog">取 消</el-button>
      <el-button size="mini" type="primary" @click="confirmAdd">确 定</el-button>
    </template>
    </el-dialog>
</template>

<script>
import{addFeeRuleAPI,getParkingRuleAPI,editParkingRuleAPI} from '@/api/carrule'

export default {
    props:{
        dialogVisible:{
            type:Boolean,
            default:false
        }
    },
    data() {
      return {
        addForm:{
        ruleNumber: '', // 计费规则编号
        ruleName: '', // 计费规则名称
        chargeType: 'duration', // 计费规则类型 duration / turn / partition
        chargeCeiling: null,
        freeDuration: null,
        // 时长计费独有字段
        durationTime: null, // 时长计费单位时间
        durationPrice: null, // 时长计费单位价格
        durationType: 'hour',
        // 按次收费独有字段
        turnPrice: null,
        // 分段计费独有字段
        partitionFrameTime: null, // 段内时间
        partitionFramePrice: null, // 段内费用
        partitionIncreaseTime: null, // 超出时间
        partitionIncreasePrice: null // 超出费为收费价钱
        }, // 计费规则表单对象
        addFormRules:{
          ruleNumber: [{ required: true, message: '请输入规则编号', trigger: 'blur' }],
          ruleName: [{ required: true, message: '请输入规则名称', trigger: 'blur' }],
          chargeType: [{ required: true, message: '请选择收费类型', trigger: 'blur' }],
          durationTime: [{ required: true, message: '请输入时间', trigger: 'blur' }],
          durationPrice: [{ required: true, message: '请输入金额', trigger: 'blur' }],
          turnPrice: [{ required: true, message: '请输入次数', trigger: 'blur' }],
          partitionFrameTime: [{ required: true, message: '请输入段内时间', trigger: 'blur' }],
          partitionFramePrice: [{ required: true, message: '请输入段内费用', trigger: 'blur' }],
          partitionIncreaseTime: [{ required: true, message: '请输入超出时间', trigger: 'blur' }],
          partitionIncreasePrice: [{ required: true, message: '请输入超出金额', trigger: 'blur' }]
        },// 计费规则校验规则对象
        feeRuleProp:'durationTime',
        title:'添加规则'
      }
    },
    watch: {
    'addForm.chargeType'(val) {
      // 每次切换清空所有校验
      this.$refs.addForm.clearValidate(['turnPrice', 'durationTime', 'durationPrice', 'partitionFrameTime', 'partitionFramePrice', 'partitionIncreaseTime', 'partitionIncreasePrice'])
      // if (val === 'duration') {
      //   this.feeRuleProp = 'durationTime'
      // }
      // if (val === 'turn') {
      //   this.feeRuleProp = 'turnPrice'
      // }
      // if (val === 'partition') {
      //   this.feeRuleProp = 'partitionFrameTime'
      // }
        }
    },
    methods: {
      // 获取计费规则详情
      async getParkingRule(id){
        const res = await getParkingRuleAPI(id)
        this.addForm=res.data
      },
        // 关闭弹框
        closeDialog() {
        // 子组件不能修改父组件中传过来的数据（谁的数据谁负责）
      // 1.子传父
      // 2.this.$parent.dialogVisible = false
      this.$parent.dialogVisible = false
          //   this.dialogVisible = false
      // 3. .sync 子组件和父组件中的数据进行双向绑定 [父组件加上.sync之后表示放权给子组件修改props中的数据]
      // 绑定语法 this.$emit('update:props传过来的参数',要修改的值)
      this.$refs.addForm.resetFields()
      this.addForm.freeDuration = ''
      this.addForm.chargeCeiling = ''

      delete this.addForm.id
    },
        confirmAdd() {
      this.$refs.addForm.validate(async flag => {
        if(!flag) return 
        
        if(this.addForm.id){
          await editParkingRuleAPI(this.addForm)
          this.$message.success('编辑成功')
        } else {
          await addFeeRuleAPI(this.addForm)
          this.$message.success('添加成功')
        }
        // 子组件调用父组件中的方法
        // 1.this.$parent
        this.$parent.getRuleList()
        // 2.this.$emit('getList')
        // this.$emit('getList')
        //this.getRuleList() 为错误写法
        this.closeDialog()
        })
      }
    }
}
</script>